<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        //1.声明了一个age的变量
        var age;
        //2.赋值 把值存入变量中
        age = 10;
        //3.输出结果
        console.log(age);
        var myname = 'pink老师';
        console.log(myname)
    </script>
</head>
<body>

</body>
</html>